Theropod Tooth - Megalosaurid/Ceratosaur (Niger) #20

Description

A rare Jurassic theropod tooth from the Tiouraren Formation (Niger).  This tooth has an interesting appearance, having been crushed by geological forces.

It's very difficult to ID teeth from the Jurassic of Niger as there's only a small amount of published material to compare against.  This tooth likely comes from the Megalosaurid Afrovanator abakensis, but it could also belong to a Ceratosaurid.

Comes labelled and stored in an acrylic case with padding. 

Tooth measurements are as follows:

Crown Base Ratio: 0.54

Crown Height Ratio: 1.75

Mesial Serration Count (per 5mm): N/A

Distal Serration Count (per 5mm): 12

The mesial carina is not visible.

Condition: Fair

Size: 1.68 inch

Age: 167 Million Years

Locality: Agadez, Niger (Tiouraren Formation)